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ozone hole
(redirected from ozone holes)

   Also found in: Dictionary/thesaurus, Encyclopedia 0.01 sec.
ozone hole,
a seasonal depletion of the steady-state ozone concentration in the stratosphere, particularly over Antarctica.


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But the experiments could not determine whether 15 years of ozone holes have actually harmed phytoplankton in the wild.
Ozone holes - regional thinnings in the ozone layer - have developed over the Antarctic continent each September since the late 1970s.
This year's ozone depletion signals a clear departure from a pattern established in the 1980s, when severe ozone holes developed only on odd-numbered years.
 
 
 
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